assertExtensionsClear 1633 third_party/protobuf/java/src/test/java/com/google/protobuf/TestUtil.java   public static void assertExtensionsClear(TestAllExtensionsOrBuilder message) {
assertExtensionsClear 2409 third_party/protobuf/java/src/test/java/com/google/protobuf/TestUtil.java   public static void assertExtensionsClear(